Copy letter from unknown correspondent, to The Under Secretary of State for the Colonies, Colonial Office, S.W. The Tropical Diseases Committee of the Royal Society would like to ask if the Under Secretary of State would be good as to request Captain D P Watson to proceed at once to Nyasaland [Malawi] in order to carry on the work now being done by Major Harvey, who is retiring from the [Sleeping Sickness] Commission. 16 August 1913